private ImmutableArray <Edit> GetWrapLongLinesEdits(
WrappingStyle wrappingStyle, SyntaxTrivia indentationTrivia)
{
var result = ArrayBuilder <Edit> .GetInstance();
AddTextChangeBetweenOpenAndFirstItem(wrappingStyle, result);
var currentOffset = wrappingStyle == WrappingStyle.WrapFirst_IndentRest
? indentationTrivia.FullWidth()
: _afterOpenTokenIndentationTrivia.FullWidth();
var itemsAndSeparators = _listItems.GetWithSeparators();
for (var i = 0; i < itemsAndSeparators.Count; i += 2)
{
var item = itemsAndSeparators[i].AsNode();
// Figure out where we'd be after this item.
currentOffset += item.Span.Length;
if (i > 0)
{
if (currentOffset < WrappingColumn)
{
// this item would not make us go pass our preferred wrapping column. So
// keep it on this line, making sure there's a space between the previous
// comma and us.
result.Add(Edit.UpdateBetween(itemsAndSeparators[i - 1], SingleWhitespaceTrivia, NoTrivia, item));
currentOffset += " ".Length;
}
else
{
// not the first item on the line and this item makes us go past the wrapping
// limit. We want to wrap before this item.
result.Add(Edit.UpdateBetween(itemsAndSeparators[i - 1], NewLineTrivia, indentationTrivia, item));
currentOffset = indentationTrivia.FullWidth() + item.Span.Length;
}
}
// Get rid of any spaces between the list item and the following token (a
// comma or close token).
var nextToken = item.GetLastToken().GetNextToken();
result.Add(Edit.DeleteBetween(item, nextToken));
currentOffset += nextToken.Span.Length;
}
return(result.ToImmutableAndFree());
}
private static void AnalyzeWhitespacesInTrivia(SyntaxTrivia trivia, ref AnalysisResult result)
{
// trivia already has text. getting text should be noop
Debug.Assert(trivia.Kind() == SyntaxKind.WhitespaceTrivia);
Debug.Assert(trivia.Width() == trivia.FullWidth());
int space = 0;
int tab = 0;
int unknownWhitespace = 0;
var text = trivia.ToString();
for (int i = 0; i < trivia.Width(); i++)
{
if (text[i] == ' ')
{
space++;
}
else if (text[i] == '\t')
{
if (result.Space > 0)
{
result.HasTabAfterSpace = true;
}
tab++;
}
else
{
unknownWhitespace++;
}
}
// set result
result.Space += space;
result.Tab += tab;
result.HasUnknownWhitespace |= unknownWhitespace > 0;
result.TreatAsElastic |= trivia.IsElastic();
}
private static void AnalyzeWhitespacesInTrivia(SyntaxTrivia trivia, ref AnalysisResult result)
{
// trivia already has text. getting text should be noop
Debug.Assert(trivia.Kind() == SyntaxKind.WhitespaceTrivia);
Debug.Assert(trivia.Width() == trivia.FullWidth());
int space = 0;
int tab = 0;
int unknownWhitespace = 0;
var text = trivia.ToString();
for (int i = 0; i < trivia.Width(); i++)
{
if (text[i] == ' ')
{
space++;
}
else if (text[i] == '\t')
{
if (result.Space > 0)
{
result.HasTabAfterSpace = true;
}
tab++;
}
else
{
unknownWhitespace++;
}
}
// set result
result.Space += space;
result.Tab += tab;
result.HasUnknownWhitespace |= unknownWhitespace > 0;
result.TreatAsElastic |= trivia.IsElastic();
}
private ImmutableArray <Edit> GetWrapLongLinesEdits(
WrappingStyle wrappingStyle, SyntaxTrivia indentationTrivia)
{
using var _ = ArrayBuilder <Edit> .GetInstance(out var result);
if (_shouldMoveOpenBraceToNewLine)
{
result.Add(Edit.UpdateBetween(_listSyntax.GetFirstToken().GetPreviousToken(), NewLineTrivia, _braceIndentationTrivia, _listSyntax.GetFirstToken()));
}
AddTextChangeBetweenOpenAndFirstItem(wrappingStyle, result);
var currentOffset = wrappingStyle == WrappingStyle.WrapFirst_IndentRest
? indentationTrivia.FullWidth()
: _afterOpenTokenIndentationTrivia.FullWidth();
var itemsAndSeparators = _listItems.GetWithSeparators();
for (var i = 0; i < itemsAndSeparators.Count; i += 2)
{
var item = itemsAndSeparators[i].AsNode() !;
// Figure out where we'd be after this item.
currentOffset += item.Span.Length;
if (i > 0)
{
if (currentOffset < Options.WrappingColumn)
{
// this item would not make us go pass our preferred wrapping column. So
// keep it on this line, making sure there's a space between the previous
// comma and us.
result.Add(Edit.UpdateBetween(itemsAndSeparators[i - 1], SingleWhitespaceTrivia, NoTrivia, item));
currentOffset += " ".Length;
}
else
{
// not the first item on the line and this item makes us go past the wrapping
// limit. We want to wrap before this item.
result.Add(Edit.UpdateBetween(itemsAndSeparators[i - 1], NewLineTrivia, indentationTrivia, item));
currentOffset = indentationTrivia.FullWidth() + item.Span.Length;
}
}
// Get rid of any spaces between the list item and the following comma token
if (i + 1 < itemsAndSeparators.Count)
{
var comma = itemsAndSeparators[i + 1];
Contract.ThrowIfFalse(comma.IsToken);
result.Add(Edit.DeleteBetween(item, comma));
currentOffset += comma.Span.Length;
}
}
if (this.Wrapper.ShouldMoveCloseBraceToNewLine)
{
result.Add(Edit.UpdateBetween(itemsAndSeparators.Last(), NewLineTrivia, _braceIndentationTrivia, _listSyntax.GetLastToken()));
}
else
{
result.Add(Edit.DeleteBetween(itemsAndSeparators.Last(), _listSyntax.GetLastToken()));
}
return(result.ToImmutable());
}